Teletext signal detector with a display for indicating the statu

Details Teletext signal detector with a display for indicating the statu Teletext signal detector with a display for indicating the statu

1992-03-20

1995-07-04

Groody, James J.

Television

Nonpictorial data packet in television format

Including teletext decoder or display

348473, H04N 7087

Patent

active

054304911

ABSTRACT:
A teletext signal detector and method including a plurality of field memories for storing by screens index page data, a user-designated page storage, an index page storage, an index page storing discriminator, and a display. The teletext signal detecting method comprises the steps of storing teletext information by screens, extracting only a plurality of index pages with respect to screens to sequentially store them, comparing the index pages with a user-designated page, and if they match, displaying the index page on a CRT, and if they do not match, providing a warning of the absence of the index page.

REFERENCES:
patent: 4953022 (1990-08-01), Bugg
patent: 4991012 (1991-02-01), Yoshino
patent: 4992871 (1991-02-01), Bensch
patent: 5038212 (1991-08-01), Van Den Hombergh
UK Search Report, Jun. 23, 1992.

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